$ cat t.cc
#include <cstdio>
using namespace std;
namespace ident {
template<class T> void
foo( T*, void* )
{
printf( "generic\n" );
}
}
using namespace ident;
template<class T> void func( T& val )
{
foo( &val, (T*)0 );
}
struct Base
{};
struct Deriv : public Base
{};
namespace ident {
template<class T> void
foo( T* val, Base* )
{
printf( "special\n" );
}
}
int main()
{
Deriv d;
func( d );
}
$ g++ -v
Using built-in specs.
Target: i686-pc-linux-gnu
Configured with: /tools/inst/jrichter/tmp.evo1.18630/gcc-4.1.1/configure
--prefix=/tools/pkg/gcc/4.1.1 --enable-languages=c,c++ --disable-threads
Thread model: single
gcc version 4.1.1
$ g++ -o t t.cc
$ t
generic
While GCC 3.4.3 outputs "special"
--
Summary: Wrong overload resolution with templates and namespaces
Product: gcc
Version: 4.1.1
Status: UNCONFIRMED
Severity: major
Priority: P3
Component: c++
AssignedTo: unassigned at gcc dot gnu dot org
ReportedBy: joerg dot richter at pdv-fs dot de
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28093
